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LM4950TSX/NOPB

Texas Instruments 音频 IC
  • 参考价格:¥10.35-¥9.94

更新日期:2024-04-01 00:04:00

LM4950TSX/NOPB

Texas Instruments 音频 IC

产品简介:3.1W 单声道、9.6V 至 16V 电源电压、模拟输入 D 类音频放大器

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  • 参考价格:¥10.35-¥9.94

LM4950TSX/NOPB 供应商

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LM4950TSX/NOPB 中文资料属性参数

  • 制造商:National Semiconductor (TI)
  • 产品:Class-AB
  • 输出功率:7.5 W x 1 at 8 Ohms, 3.1 W x 2 at 4 Ohms
  • 输出类型:1-Channel Mono, 2-Channel Stereo
  • THD + 噪声:0.05 %
  • 工作电源电压:12 V, 15 V
  • 最大工作温度:+ 85 C
  • 安装风格:SMD/SMT
  • 封装 / 箱体:TO-263
  • 封装:Reel
  • 音频负载电阻:8 Ohms
  • 输入补偿电压:30 mV at 12 V
  • 输入信号类型:Single
  • 最小工作温度:- 40 C
  • 输出信号类型:Differential, Single
  • 工厂包装数量:500
  • 电源类型:Single
  • Supply Voltage - Max:16 V
  • Supply Voltage - Min:9.6 V

产品特性

  • Pop & Click Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions
  • Low Current, Active-Low Shutdown Mode
  • Low Quiescent Current
  • Stereo 3.1W Output, RL = 4Ω
  • Mono 7.5W BTL Output, RL = 8Ω
  • Short Circuit Protection
  • Unity-Gain Stable
  • External Gain Configuration Capability
  • Quiescent Power Supply Current 16mA (typ)
  •  POUT (SE)VDD = 12V, RL = 4Ω, 1% THD+N: 3.1W (typ)
  • VDD = 12V, RL = 4Ω, 1% THD+N: 3.1W (typ)
  •  POUT (BTL)VDD = 12V, RL = 8Ω, 10% THD+N: 7.5W (typ)
  • VDD = 12V, RL = 8Ω, 10% THD+N: 7.5W (typ)
  • Shutdown Current 40μA (typ)

产品概述

The LM4950 is a dual audio power amplifier primarily designed for demanding applications in flat panel monitors and TV's. It is capable of delivering 3.1 watts per channel to a 4Ω single-ended load with less than 1% THD+N or 7.5 watts mono BTL to an 8Ω load, with less than 10% THD+N from a 12VDC power supply.Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4950 does not require bootstrap capacitors or snubber circuits. Therefore, it is ideally suited for display applications requiring high power and minimal size.The LM4950 features a low-power consumption active-low shutdown mode. Additionally, the LM4950 features an internal thermal shutdown protection mechanism along with short circuit protection.The LM4950 contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions.The LM4950 is a unity-gain stable and can be configured by external gain-setting resistors.

LM4950TSX/NOPB 电路图

LM4950TSX/NOPB 电路图

LM4950TSX/NOPB 电路图

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